225564695256 has 16 divisors (see below), whose sum is σ = 563911738200. Its totient is φ = 75188231744.

The previous prime is 225564695129. The next prime is 225564695261. The reversal of 225564695256 is 652596465522.

It is a junction number, because it is equal to n+sod(n) for n = 225564695196 and 225564695205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4699264461 + ... + 4699264508.

Almost surely, 2^225564695256 is an apocalyptic number.

It is an amenable number.

225564695256 is an abundant number, since it is smaller than the sum of its proper divisors (338347042944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225564695256 is a wasteful number, since it uses less digits than its factorization.

225564695256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398528978 (or 9398528974 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 57.

The spelling of 225564695256 in words is "two hundred twenty-five billion, five hundred sixty-four million, six hundred ninety-five thousand, two hundred fifty-six".